VWIC3-2MFT-T1/E1= Cisco 2 Ports WAN Interface Card

Cisco VWIC3-2MFT-T1/E1= 2-Port Voice and WAN Interface Card

The Cisco VWIC3-2MFT-T1/E1= is a high-performance dual-port Voice/WAN Interface Card designed to deliver reliable voice and data connectivity for enterprise branch offices. Built for Cisco Integrated Services Routers (ISR), this interface module supports both T1 and E1 network connections, making it an ideal solution for organizations requiring flexible WAN deployment and dependable voice communication. Its compact design, business-class reliability, and seamless router integration make it an excellent choice for expanding network infrastructure.

Product Overview

• Manufacturer: Cisco
• Model Number: VWIC3-2MFT-T1/E1=
• Product Category: Network Module
• Module Type: Voice/WAN Interface Card
• Primary Applications: Voice Communications and Wide Area Networking

Key Features and Advantages

Dual T1/E1 WAN Connectivity

The Cisco VWIC3-2MFT-T1/E1= is equipped with two configurable T1/E1 interfaces, allowing businesses to deploy multiple WAN circuits while supporting simultaneous voice and data transmission across the same infrastructure.

• Supports two independent T1/E1 WAN ports
• Optimized for integrated voice and data traffic
• Ideal for branch office network expansion
• Delivers stable and secure WAN communication

Flexible Voice and Data Integration

Designed for converged networking environments, this Cisco Voice/WAN Interface Card simplifies network architecture by combining voice and WAN services into a single hardware module, reducing deployment complexity and improving operational efficiency.

Business Benefits

• Reduces hardware requirements
• Simplifies network management
• Supports scalable enterprise deployments
• Enhances communication reliability

Technical Specifications

Network Interfaces

• 2 × T1/E1 WAN interfaces
• 2 × T1/E1 network connections
• Designed for enterprise WAN environments

Application Support

• Voice networking
• Wide Area Network (WAN) connectivity
• Integrated branch communications

Expansion Information

• Expansion Slots: Not Applicable
• Daughter Card Support: Not Applicable

Physical Specifications

Compact Form Factor

The compact footprint of the Cisco VWIC3-2MFT-T1/E1= enables effortless installation inside compatible Cisco ISR platforms while maintaining excellent airflow and efficient use of internal router space.

• Height: 0.75 inches
• Width: 3.08 inches
• Depth: 4.74 inches
• Approximate Weight: 13 ounces

Router Compatibility

Supported Cisco Platforms

The Cisco VWIC3-2MFT-T1/E1= is engineered for seamless integration with several Cisco Integrated Services Router families, providing dependable compatibility for enterprise networking environments.

• Cisco 1900 Series Router Chassis
• Cisco 2900 Series Router Chassis
• Cisco 3900 Series Router Chassis

Cisco VWIC3-2MFT-T1/E1= 2 Ports Voice WAN Interface Card

The Cisco VWIC3-2MFT-T1/E1= 2 Ports Trunk Voice WAN Interface Card is an enterprise-class interface module engineered to deliver reliable voice and data connectivity across T1 and E1 WAN infrastructures. Designed for organizations that require dependable voice gateway functionality, PBX integration, and WAN access, this dual-port interface card provides exceptional flexibility for branch offices, headquarters, service providers, government organizations, educational institutions, healthcare environments, and enterprise networks.

Supporting both T1 and E1 interfaces through software-selectable configuration, the Cisco VWIC3-2MFT-T1/E1= enables organizations to deploy a single hardware platform across multiple regional telecommunications standards. This capability simplifies inventory management while providing scalable deployment options for multinational businesses. Whether the network supports traditional PSTN connectivity, SIP migration, unified communications, or integrated voice and data applications, this interface card offers dependable performance and seamless compatibility with Cisco Integrated Services Routers.

Organizations seeking high-quality voice communications, secure WAN connectivity, and long-term infrastructure investment frequently choose the Cisco VWIC3-2MFT-T1/E1= because it combines enterprise-grade reliability with Cisco's proven networking architecture. The module supports simultaneous voice and WAN services, making it suitable for organizations modernizing legacy infrastructures while maintaining business continuity.

Designed for Enterprise Voice and WAN Connectivity

Modern enterprise environments often require the coexistence of legacy telephony systems and IP-based communications. The Cisco VWIC3-2MFT-T1/E1= bridges these technologies by providing flexible T1 and E1 interfaces capable of supporting voice gateway services, leased-line WAN connections, and integrated communications platforms.

The dual-port design allows network administrators to deploy redundant connections, separate voice and data traffic, aggregate services, or support multiple branch circuits from a single module. This flexibility significantly reduces hardware requirements while simplifying network management.

Businesses migrating toward unified communications frequently retain T1 or E1 circuits during transitional periods. The VWIC3-2MFT-T1/E1= enables this migration by allowing existing PSTN connectivity to coexist alongside modern VoIP solutions without requiring major infrastructure redesign.

Dual-Port Architecture for Greater Flexibility

The presence of two configurable ports allows organizations to design highly adaptable network infrastructures. Each interface can be configured according to deployment requirements, enabling administrators to maximize available WAN resources while supporting business-critical communications.

Independent Port Configuration

Each interface operates independently, allowing organizations to deploy different services across each port. One interface may support PSTN voice connectivity while the second handles private WAN circuits or backup links.

Load Distribution

Traffic can be distributed across available interfaces to improve resource utilization and maintain consistent application performance during peak operational periods.

Business Continuity

Organizations implementing redundant WAN architectures benefit from the availability of multiple physical interfaces, helping reduce downtime caused by provider outages or circuit failures.

Support for T1 and E1 Network Standards

One of the defining characteristics of the Cisco VWIC3-2MFT-T1/E1= is its ability to support both T1 and E1 telecommunications standards through software configuration. This eliminates the need to purchase separate hardware models for different geographic deployments.

T1 Connectivity

T1 services remain widely deployed across North America and numerous enterprise WAN environments. The interface card supports these circuits for voice, leased-line connectivity, and integrated communications.

E1 Connectivity

E1 services are commonly used throughout Europe, Asia, Africa, and many international regions. Organizations operating globally benefit from a consistent hardware platform that supports regional carrier standards.

Global Deployment Benefits

Multinational organizations frequently maintain standardized Cisco router deployments across worldwide offices. The software-selectable T1/E1 capability simplifies logistics, procurement, spare inventory, and technician training.

Optimized for Cisco Integrated Services Routers

The Cisco VWIC3-2MFT-T1/E1= is specifically designed to integrate with compatible Cisco Integrated Services Routers, creating an all-in-one platform capable of supporting routing, security, voice, WAN optimization, VPN services, firewall protection, and branch networking.

Unified Branch Infrastructure

Rather than deploying separate voice gateways, WAN devices, and routing appliances, organizations can consolidate multiple services within a single Cisco router platform.

Reduced Equipment Costs

Consolidating infrastructure decreases equipment acquisition costs while reducing rack space, cabling complexity, maintenance requirements, and power consumption.

Centralized Administration

Network administrators can manage routing, voice interfaces, QoS policies, and WAN connectivity through Cisco IOS software, providing consistent operational workflows.

Voice Gateway Integration

Many organizations continue to connect IP telephony systems with traditional PSTN infrastructure. The Cisco VWIC3-2MFT-T1/E1= plays an essential role in voice gateway deployments by enabling Cisco routers to interface directly with carrier voice circuits.

PSTN Connectivity

Businesses requiring inbound and outbound public telephone services can connect digital carrier circuits through the interface card while maintaining centralized call control.

PBX Migration

Organizations transitioning from legacy PBX systems toward Cisco Unified Communications can utilize existing T1 or E1 infrastructure throughout migration projects.

Hybrid Communications

Hybrid deployments combining traditional telephony with VoIP infrastructure benefit from reliable digital trunk interfaces supporting both technologies simultaneously.

WAN Connectivity Applications

Beyond voice applications, the Cisco VWIC3-2MFT-T1/E1= serves as a versatile WAN interface supporting leased-line connectivity between branch offices, headquarters, disaster recovery facilities, and remote operational sites.

Private WAN Networks

Organizations deploying dedicated leased circuits can utilize the interface card for secure site-to-site communications supporting critical business applications.

Financial Networks

Banks and financial institutions frequently require dependable private circuits for transaction processing, secure communications, and regulatory compliance.

Healthcare Infrastructure

Hospitals and medical organizations depend upon reliable WAN connectivity for patient records, imaging systems, and secure communication between facilities.

Quality of Service Support

Voice traffic requires predictable network performance with minimal latency and packet loss. Cisco IOS Quality of Service capabilities work alongside the VWIC3-2MFT-T1/E1= to prioritize business-critical traffic.

Voice Prioritization

QoS policies ensure voice packets receive higher transmission priority than less time-sensitive applications.

Bandwidth Optimization

Administrators can allocate bandwidth according to business priorities, improving user experience while maximizing available WAN resources.

Application Performance

Mission-critical enterprise applications continue to perform reliably even during periods of heavy network utilization.

Reliability for Mission-Critical Networks

Enterprise environments demand continuous uptime. The Cisco VWIC3-2MFT-T1/E1= is engineered for dependable operation under demanding production workloads.

Consistent Connectivity

Stable physical interfaces help maintain uninterrupted communication between enterprise locations and carrier infrastructure.

Long Operational Life

Cisco enterprise hardware is widely recognized for durability, making the interface card suitable for long-term deployment.

Reduced Maintenance

Reliable hardware contributes to fewer service interruptions, lowering maintenance costs and improving operational efficiency.